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(Solved): 3. [6(cos150+isin150)][3(cos30+isin30)] =(cos+isin=i4.2(cos30+isin30)8 ...

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3.

[6 (cos 15 0^{?} + i sin 15 0^{?})] ? [3 (cos 3 0^{?} + i sin 3 0^{?})]

= (cos + i sin = i 4. \frac{8 ( c o s 12 0 ^{?} + i s i n 12 0 ^{?} )}{2 ( c o s 3 0 ^{?} + i s i n 3 0 ^{?} )} = (cos + i sin = +

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3) Given that



Write the problem as a mathematical expression.


Simplify terms.


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